From the Manufacturer

Card sets and pocket charts have been used for years as interactive teaching tools. Our 3" x 3" cards are great for classroom use and fit nicely into Our Standard-Size (No. 741) and Midsize (No. 742) Pocket Charts or other similar wall charts. Easy-to-see cards help make visibility and recognition easier in the classroom. They also can be used as flash cards. Many of the card sets have a self-correcting feature that allows students to work independently. An activity guide with each set provides lots of tips about how to use the cards to make learning fun.